array-in-a-matrix/quadratic
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quadratic calculator

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array-in-a-matrix 2021-11-04 11:56:54 -04:00
parent 19fe7eb345
commit c4ddd35012
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2
makefile Normal file
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all:
gcc quadratic.c -lm -o "bin-quadratic.out"

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quadratic.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <math.h>
void main()
{
system("clear");
double num_A, num_B, num_C;
printf("Please enter the value for \"a\":\n");
scanf("%lf", &num_A);
printf("Please enter the value for \"b\":\n");
scanf("%lf", &num_B);
printf("Please enter the value for \"c\":\n");
scanf("%lf", &num_C);
double radical = pow(num_B, 2) + (-4 * num_A * num_C);
printf("\n~~ radical %f\n\n", radical);
if (radical < 0.0)
{
// roots are complex
// radical = radical * -1;
}
else
{
// roots are real
};
double numerator_1 = (-num_B) + sqrt(radical);
double numerator_2 = (-num_B) - sqrt(radical);
double zero_1_ptr = numerator_1 / (2 * num_A);
double zero_2_ptr = numerator_2 / (2 * num_A);
printf("The zeros are: %f and %f.\n", zero_1_ptr, zero_2_ptr);
};